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Finding the Fourth Proportional to 736.93, 1,105.56 and 249.97

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Solution

The fourth proportional to 736.93, 1,105.56 and 249.97 is: 375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.93 : 1,105.56 = 249.97 : x
  2. Step 2: Convert to fraction form
    736.93/1,105.56 = 249.97/x
  3. Step 3: Cross multiply
    736.93x = 1,105.56 × 249.97
  4. Step 4: Simplify right side
    736.93x = 276,356.83
  5. Step 5: Solve for x
    x = 276,356.83/736.93
  6. Step 6: Final answer
    x = 375.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.